MathSciNet bibliographic data MR2019956 (2004h:46058) 46L05 (22D25 46L85) Chigogidze, A.; Karasev, A.; Rørdam, M. Real rank and squaring mappings for unital \$C\sp *\$$C\sp *$-algebras. Proc. Amer. Math. Soc. 132 (2004), no. 3, 783–788. Article

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